The Black Rider, searching Ikebukoro for her missing head, runs across Seiji Yagiri's new love interest and realizes that the woman has a recent scar on her neck and a face that looks like the one on her missing head.

Namie arranges a meeting with Mikado to ensure his silence at any cost. But at the meeting, Mikado reveals that he's something more than just a mousy high school student. And the mysterious street gang legend called The Dollars make a dramatic appearance.